The Extech HD600 Digital Sound Level Meter measures and displays sound pressure levels in dB (decibels) from 30 to 130dB in three measurement ranges. In addition to the LCD numerical displays, a bargraph is included for quick and easy viewing of sound level changes. Features include selectable Frequency Weighting ('A' and 'C'), selectable Response Time (Fast and Slow), Max/Min Hold, and AC/DC analog outputs. PC cable and software enable the user to download and analyze measured data.
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